Use importdescriptors when in descriptor wallet mode in wallet_createwallet.py
Use importdescriptors when in descriptor wallet mode in wallet_createwallet.py

sethdseed and importmulti are not available for descriptor wallets, so
when doing descriptor wallet tests, use importdescriptors instead.

Also changes some output to match what descriptor wallets will return.

achow101/bitcoin,JeremyRubin/bitcoin,GroestlCoin/GroestlCoin,GroestlCoin/bitcoin,andreaskern/bitcoin,andreaskern/bitcoin,jambolo/bitcoin,kallewoof/bitcoin,litecoin-project/litecoin,EthanHeilman/bitcoin,prusnak/bitcoin,MeshCollider/bitcoin,GroestlCoin/bitcoin,pstratem/bitcoin,particl/particl-core,jlopp/statoshi,namecoin/namecoin-core,pataquets/namecoin-core,fanquake/bitcoin,apoelstra/bitcoin,MarcoFalke/bitcoin,GroestlCoin/bitcoin,mm-s/bitcoin,cdecker/bitcoin,domob1812/namecore,namecoin/namecore,MarcoFalke/bitcoin,JeremyRubin/bitcoin,n1bor/bitcoin,fanquake/bitcoin,jnewbery/bitcoin,ajtowns/bitcoin,anditto/bitcoin,dscotese/bitcoin,ajtowns/bitcoin,jlopp/statoshi,fanquake/bitcoin,kallewoof/bitcoin,alecalve/bitcoin,GroestlCoin/bitcoin,rnicoll/bitcoin,andreaskern/bitcoin,AkioNak/bitcoin,bitcoinknots/bitcoin,GroestlCoin/GroestlCoin,dscotese/bitcoin,jnewbery/bitcoin,domob1812/namecore,tecnovert/particl-core,apoelstra/bitcoin,prusnak/bitcoin,Sjors/bitcoin,GroestlCoin/GroestlCoin,mruddy/bitcoin,anditto/bitcoin,yenliangl/bitcoin,instagibbs/bitcoin,andreaskern/bitcoin,AkioNak/bitcoin,litecoin-project/litecoin,pstratem/bitcoin,domob1812/bitcoin,qtumproject/qtum,MarcoFalke/bitcoin,jonasschnelli/bitcoin,mruddy/bitcoin,instagibbs/bitcoin,yenliangl/bitcoin,JeremyRubin/bitcoin,domob1812/bitcoin,tecnovert/particl-core,lateminer/bitcoin,Xekyo/bitcoin,jnewbery/bitcoin,apoelstra/bitcoin,particl/particl-core,pataquets/namecoin-core,pataquets/namecoin-core,bitcoin/bitcoin,anditto/bitcoin,ElementsProject/elements,bitcoinsSG/bitcoin,bitcoin/bitcoin,kallewoof/bitcoin,practicalswift/bitcoin,instagibbs/bitcoin,Sjors/bitcoin,jamesob/bitcoin,AkioNak/bitcoin,ElementsProject/elements,n1bor/bitcoin,kallewoof/bitcoin,namecoin/namecoin-core,rnicoll/bitcoin,jlopp/statoshi,sipsorcery/bitcoin,jambolo/bitcoin,practicalswift/bitcoin,qtumproject/qtum,tecnovert/particl-core,kallewoof/bitcoin,Xekyo/bitcoin,namecoin/namecore,bitcoinsSG/bitcoin,lateminer/bitcoin,particl/particl-core,mm-s/bitcoin,pataquets/namecoin-core,EthanHeilman/bitcoin,ajtowns/bitcoin,fanquake/bitcoin,n1bor/bitcoin,prusnak/bitcoin,dscotese/bitcoin,ElementsProject/elements,n1bor/bitcoin,litecoin-project/litecoin,bitcoin/bitcoin,bitcoinsSG/bitcoin,pstratem/bitcoin,lateminer/bitcoin,namecoin/namecore,yenliangl/bitcoin,JeremyRubin/bitcoin,namecoin/namecoin-core,fujicoin/fujicoin,cdecker/bitcoin,dscotese/bitcoin,fanquake/bitcoin,rnicoll/dogecoin,MarcoFalke/bitcoin,prusnak/bitcoin,EthanHeilman/bitcoin,domob1812/namecore,mruddy/bitcoin,bitcoin/bitcoin,Sjors/bitcoin,particl/particl-core,jambolo/bitcoin,Xekyo/bitcoin,mm-s/bitcoin,bitcoin/bitcoin,jamesob/bitcoin,rnicoll/bitcoin,domob1812/bitcoin,domob1812/namecore,jnewbery/bitcoin,ElementsProject/elements,particl/particl-core,jamesob/bitcoin,pstratem/bitcoin,rnicoll/dogecoin,practicalswift/bitcoin,litecoin-project/litecoin,EthanHeilman/bitcoin,alecalve/bitcoin,namecoin/namecore,tecnovert/particl-core,MeshCollider/bitcoin,apoelstra/bitcoin,cdecker/bitcoin,jlopp/statoshi,achow101/bitcoin,jamesob/bitcoin,fanquake/bitcoin,mruddy/bitcoin,cdecker/bitcoin,sipsorcery/bitcoin,jlopp/statoshi,yenliangl/bitcoin,sipsorcery/bitcoin,anditto/bitcoin,jonasschnelli/bitcoin,MeshCollider/bitcoin,pataquets/namecoin-core,dscotese/bitcoin,MarcoFalke/bitcoin,litecoin-project/litecoin,Xekyo/bitcoin,ElementsProject/elements,ajtowns/bitcoin,prusnak/bitcoin,mruddy/bitcoin,particl/particl-core,sstone/bitcoin,jlopp/statoshi,lateminer/bitcoin,lateminer/bitcoin,bitcoinsSG/bitcoin,AkioNak/bitcoin,alecalve/bitcoin,kallewoof/bitcoin,practicalswift/bitcoin,namecoin/namecoin-core,MeshCollider/bitcoin,andreaskern/bitcoin,rnicoll/bitcoin,pataquets/namecoin-core,alecalve/bitcoin,GroestlCoin/GroestlCoin,sstone/bitcoin,jonasschnelli/bitcoin,bitcoinsSG/bitcoin,mruddy/bitcoin,domob1812/namecore,rnicoll/bitcoin,rnicoll/dogecoin,sstone/bitcoin,apoelstra/bitcoin,cdecker/bitcoin,dscotese/bitcoin,pstratem/bitcoin,qtumproject/qtum,fujicoin/fujicoin,sstone/bitcoin,andreaskern/bitcoin,litecoin-project/litecoin,bitcoinknots/bitcoin,anditto/bitcoin,instagibbs/bitcoin,jamesob/bitcoin,jambolo/bitcoin,MeshCollider/bitcoin,AkioNak/bitcoin,Xekyo/bitcoin,alecalve/bitcoin,prusnak/bitcoin,bitcoinknots/bitcoin,fujicoin/fujicoin,bitcoinknots/bitcoin,jambolo/bitcoin,namecoin/namecoin-core,Sjors/bitcoin,bitcoin/bitcoin,sipsorcery/bitcoin,jambolo/bitcoin,Sjors/bitcoin,tecnovert/particl-core,practicalswift/bitcoin,achow101/bitcoin,instagibbs/bitcoin,jamesob/bitcoin,cdecker/bitcoin,rnicoll/dogecoin,rnicoll/bitcoin,jonasschnelli/bitcoin,GroestlCoin/GroestlCoin,EthanHeilman/bitcoin,JeremyRubin/bitcoin,fujicoin/fujicoin,practicalswift/bitcoin,domob1812/bitcoin,namecoin/namecore,n1bor/bitcoin,ajtowns/bitcoin,achow101/bitcoin,domob1812/namecore,Xekyo/bitcoin,qtumproject/qtum,fujicoin/fujicoin,GroestlCoin/bitcoin,mm-s/bitcoin,bitcoinknots/bitcoin,namecoin/namecoin-core,pstratem/bitcoin,domob1812/bitcoin,instagibbs/bitcoin,achow101/bitcoin,qtumproject/qtum,sipsorcery/bitcoin,sipsorcery/bitcoin,yenliangl/bitcoin,sstone/bitcoin,EthanHeilman/bitcoin,achow101/bitcoin,sstone/bitcoin,anditto/bitcoin,JeremyRubin/bitcoin,qtumproject/qtum,apoelstra/bitcoin,domob1812/bitcoin,GroestlCoin/GroestlCoin,n1bor/bitcoin,lateminer/bitcoin,qtumproject/qtum,mm-s/bitcoin,alecalve/bitcoin,fujicoin/fujicoin,tecnovert/particl-core,bitcoinsSG/bitcoin,GroestlCoin/bitcoin,ElementsProject/elements,jnewbery/bitcoin,namecoin/namecore,jonasschnelli/bitcoin,ajtowns/bitcoin,yenliangl/bitcoin,mm-s/bitcoin,rnicoll/dogecoin,MarcoFalke/bitcoin,AkioNak/bitcoin,MeshCollider/bitcoin